Granted Patent
Utility
US 6,462,142 · App. 09/432,980
Processes for improved surface properties incorporating compressive heating of reactive gases
Inventors:
John Peter Hobbs, Philip Bruce Henderson
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Nov 3, 1999
Inventors
John Peter Hobbs
Philip Bruce Henderson
Assignee (at issue)
Air Products and Chemicals, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.